Originally Posted by
JohnDThompson
No, many British 3-speeds used cups with the 5/8" raised ridge on both cups. Raleigh Sports and Superbe 3-speeds often have the fixed cup painted:
Okay. Learn something new all the time. It’s still very, very rare considering that I’ve laid hands on north of 15,000 bikes at my local co-op over the last 10 years and have never seen one. It’s also unlikely that Spellscape’s Motobecane has that kind of fixed cup.